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3 years ago

Answer 1 and 2 for brainliest

Mathematics

1 answer:

nexus9112 [7]3 years ago

3 0

Roll a 6 and head or roll a 6 and a tails

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Use elimination to solve the system of equations given by 3x + 4y = 5 and 21x + 28y = 35.

Alexxx [7]

Try doing opposite fence on the = signs opposite fence example +=-

3 0

3 years ago

Match the equivalent expressions.

yarga [219]

Answer:

One pair of equivalent expressions is:

x - 3y + 12

12 - 3y - 2x + x + 2x

Second,

x + 3y + 12

3x + 2y - 2x + y + 12

third,

3y + 12

x + 3y + 2x - 3x + 7 + 5

four,

3x + y - 12

4y + 3y + 3x - 6y - 10 - 2

Step-by-step explanation:

In order to match the equivalent expressions we have to put each expression in its simplest form

So,

$x-3y+12\\\\12 - 3y - 2x + x + 2x\\=12-3y+x\\=x-3y+12\\\\3x + 2y - 2x + y + 12\\=x+3y+12\\\\4y + 3y + 3x - 6y - 10 - 2\\=3x+y-12\\\\x + 3y + 2x - 3x + 7 + 5\\=3y+12\\\\5 + 2y + 7x - 4x + 3y - 17\\=5y+3x-12$

One pair of equivalent expressions is:

x - 3y + 12

12 - 3y - 2x + x + 2x

Second,

x + 3y + 12

3x + 2y - 2x + y + 12

third,

3y + 12

x + 3y + 2x - 3x + 7 + 5

four,

3x + y - 12

4y + 3y + 3x - 6y - 10 - 2

3 0

4 years ago

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.

Travka [436]

If n is one the 4n is 4
N is 2 then 4n is 8
N is 3, 4n is 12
N is 4 then 4n is 16

6 0

4 years ago

The least integer power of 12 that is divisible by 18raised to power180 is

katovenus [111]

Its the second answer, you're welcome my dude

7 0

4 years ago

Read 2 more answers

Lily has a bag of 140 marbles the bag has an equal number of green and blue marbles and an equal number of red and yellow marble

Allisa [31]

If there are equal amounts of blue and green marbles, then there are 56 of each; so 112 altogether. That leaves 28 red and yellow marbles; therefore 14 red marbles.

8 0

3 years ago